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Retail & beauty
buildingOS
France · 15 hair salons
Summer 2021 · 6 weeks

L’Oréal × Gjosa

A 60% water saving at the backwash, measured salon by salon

−60%
water per rinse, 10 → 4 L/min
15
salons equipped
50
iLinks measuring flow and temperature

At a glance

Client: Gjosa, with L’Oréal-affiliated salons

Site: Hair salons in France

Instrumented: Backwash showerheads

Kit: 50 iLinks with Flow & Temperature sensors

Period: 6 weeks, summer 2021

The challenge

Gjosa and L’Oréal needed hard data to prove the new showerhead saved water without hurting the salon experience.

What we installed

  • iLink × 50 — Across 15 salons
  • Flow & Temperature — Litres and temperature per rinse

Alarms that did the work

Measurement project — the platform was used for metering and benchmarking, not alarms.

What the data showed

Every water routine visible

Washing, colouring, rinsing and tool cleaning measured separately.

Benchmark per product

Water use benchmarked per product or process, to steer R&D.

Results

  • Flow per rinse: 10 → 4 L/min — Gjosa showerhead vs standard
  • Test scope: 15 salons · 6 weeks — France, summer 2021
  • Roll-out: France, USA, then global — As planned in 2022

Droople case study, January 2022.

Similar site? Let’s look at your water.